Home / 475,485.30-656,236.98-294,255.58

Finding the Fourth Proportional to 475,485.30, 656,236.98 and 294,255.58

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Solution

The fourth proportional to 475,485.30, 656,236.98 and 294,255.58 is: 406,114.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,485.30 : 656,236.98 = 294,255.58 : x
  2. Step 2: Convert to fraction form
    475,485.30/656,236.98 = 294,255.58/x
  3. Step 3: Cross multiply
    475,485.30x = 656,236.98 × 294,255.58
  4. Step 4: Simplify right side
    475,485.30x = 193,101,393,167.35
  5. Step 5: Solve for x
    x = 193,101,393,167.35/475,485.30
  6. Step 6: Final answer
    x = 406,114.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.